Permasalahan yang muncul sewaktu menjalankan hhvm
service hhvm start [....] Restarting HHVM FastCGI Daemon: hhvm/usr/bin/hhvm: error while loading shared libraries: libmemcachedutil.so.2: cannot open shared object file: No such file or directory
solusinya dengan menginstall
apt-get install libmemcached-dev libmemcachedutil2 libmemcached-tools -y